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4915055 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING HALF,SLEEVE is a the manufacturer industrial component. Key specifications include color: WHITE, length: 70.0 MILLIMETERS NOMINAL MM, material: STEEL CORROSION RESISTING OVERALL, base_style: MOGUL SCREW, bulb_style: R (REFLECTOR), valve_size: 2.000 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-125-1958, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4915055
NSN: 3120-01-125-1958
FSC: 3120
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
colorWHITE
length70.0 MILLIMETERS NOMINAL MM
materialSTEEL CORROSION RESISTING OVERALL
base_styleMOGUL SCREW
bulb_styleR (REFLECTOR)
valve_size2.000 INCHES IN
blade_length31.0 MILLIMETERS NOMINAL MM
flange_shapeROUND WITH HOLES ALL ENDS
thread_length20.0 MILLIMETERS MM
overall_length12.750 INCHES MAXIMUM IN
voltage_rating120.000 VOLTS NOMINAL
wattage_rating750.000 WATTS
NSN3120-01-125-1958
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4915055 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
837Interchangeable
interchangeable cross-reference
interchangeable
10190Interchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 1Interchangeable
interchangeable cross-reference
interchangeable
D-701Interchangeable
interchangeable cross-reference
interchangeable
MS15687-22Interchangeable
interchangeable cross-reference
interchangeable
1470-2INSWG CHKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4915055?
4915055 is a BEARING HALF,SLEEVE.
What parts can replace 4915055?
There are 15 known substitutes for 4915055: 837, 10190, B94.19 TABLE 1 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4915055?
4915055 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-125-1958. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026